Inspired by @abasket
When my D was around the age of seven or eight, she was just starting to enjoy American Girl. One weekend we watched the Molly American Girl movie, set in the WWII era. In the film, there was a scene where one of the neighbor families had received news their son was killed in war. The neighbors rallied around and provided help, Molly's mom made a casserole. My kids were fascinated by this show of neighborly support and asked why Molly's mom was making a casserole, I explained that neighbors often help each other out in times of grief and joy, ie when a new baby is born, or somebody dies and a casserole is a very popular dish during those times. Moving on.....
About six months later, I was in the kitchen preparing dinner and my younger S (aged about six at the time) came in to ask 'whats for dinner?' I said 'casserole'.
Without missing a beat he said 'who died?" I was so puzzled and I said 'nobody. Why would you ask that?" He reminded me I had told him and his sister that when people die, neighbors might provide casseroles!